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KMID : 0381219720040090603
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Journal of RIMSK
1972 Volume.4 No. 9 p.603 ~ p.617
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A STUDY ON THE INDUSTRIAL HEALTH MANAGEMENT AND OCCUPATIONAL DISEASES
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Abstract
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This study was carried out to find the industrial health management and occupational diseases on 80 industries in Kyunggi, Yongdeung po, and Seoul Area.
This´ study was done from March 5 to September 30, 1971.
The obtained results are as follows;
1. Absence Rate
1) The mean, absence rate was 6.17% and the highest absence rate was in machinery industry, 8.24%, and the lowest absence rate was in printing industry, 3. 85% respectively.
2) It had relationship between daily-working hours and absence rate. Two shift system industry (12 hours/day) had 8.2% absence rate, one shift system with overwork (8-12 hours/day) had 7.5% absence rate, and three shift system industry (8 hours/day) had 2. 02% absence rate.
3) The industries that take break for rest was only 10 per cent. 2. Industrial Accidents
1) The whole mean accident rate of all the manufacturing industries was 40. 5 (the base is 1, 000). ´The highest accident rate was observed in metal goods industries, 463. 5 and the lowest accident rate was in textile industries, 4.2.
2) The causes of accidents were 53. 7% in work performance, 35. 8% in power driven machine,
11.7% in special accident and 0. 2% in other accident respectively.
3. Occupational Diseases (Suspected cases only) , .
1) Prevalence rate of organic solvents poisoning (including benzene and its homologues, trichloroethylene) was 48. 4%; 46.5% ii male and 51. 3% in female.
2) The industries, more than 50. 0% of prevalence rate were rubber, precision, transportation
equipment, electrical appliance, chemical goods, machinery, and other manufacturing industries.
3) The order of prevalence rate by size were 61. 9% in 300-999 employees, 46. 5% in over 1, 000
employees, 43.8% in 100-299 employees and 37.5% in under 100 employees.
4) Prevalence rate of benzene poisoning was 54.9%; 47.5% in male, 76.2% in female respectively. 5) Prevalence rate of benzene poisoning by type of industry can be outlined as follows;
precision and metal industry 87. 5%
rubber industry 80.8%
transportation equipment industry 59. 3%
others manufacturing industry 58. 3%
electrical appliance industry 54.0%
chemical goods industry 52.3%
machinery industry 50.0%
food stuff industry 25.5%
Prevalence rate of benzene poisoning tends to increase by years of service.
prevalence rate of benzene was 76.2% in female, 47. 5% in male, and by age 86. 7% in young i e under 17 year-old.
Prevalence rate of trichloroethylene poisoning was 25. 0% and tends to increase by air concentration. ~´ By year of service, the prevalence rate of trichloroethylene was 52. 7% in one-year-service, which was the highest rate.
10) Prevalence rate of occupational hearing loss was 40. 1%; 40.5% in male and 39.8% in female respectively. By size, 42. 7% in 300-999 employees was the highest rate.
11) Hearing loss tends to increase by year of service, 45-54 age group showed the highest rate, r0. 0%.
12) Prevalence rate of chromate poisoning was 64. 4%; 89. 7% in electrical appliance, 52. 2% in
transportation equipment, 45.5% in metal and 33. 3% in machinery industry respectively.
13) The highest rate of chromate poisoning was 71. 4% under 17 year-old workers.
14) By year of service, the rate was 80.9% in under half-year-service (acute chromate poisoning)
and 84. 6% in over three-year-service (chronic chromate poisoning).
15) The variation of hemoglobin, red blood cell, and white blood cell by benzene and its homologues poisoning was significance in hemoglobin only, pS0. 05-0. 001.
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